lib/fuzzing/fuzz_ldb_ldif_read.c

   1 /*
   2    Fuzzing ldb_ldif_read_string
   3    Copyright (C) Catalyst IT 2020
   4
   5    This program is free software; you can redistribute it and/or modify
   6    it under the terms of the GNU General Public License as published by
   7    the Free Software Foundation; either version 3 of the License, or
   8    (at your option) any later version.
   9
  10    This program is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13    GNU General Public License for more details.
  14
  15    You should have received a copy of the GNU General Public License
  16    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17 */
  18 #include "includes.h"
  19 #include "fuzzing/fuzzing.h"
  20 #include "ldb_private.h"
  21
  22
  23 #define MAX_LENGTH (2 * 1024 * 1024 - 1)
  24 char buf[MAX_LENGTH + 1] = {0};
  25
  26 int LLVMFuzzerTestOneInput(const uint8_t *input, size_t len)
  27 {
  28         struct ldb_ldif *ldif = NULL;
  29         const char *s = NULL;
  30         struct ldb_context *ldb = ldb_init(NULL, NULL);
  31         if (ldb == NULL) {
  32                 return 0;
  33         }
  34
  35         if (len > MAX_LENGTH) {
  36                 len = MAX_LENGTH;
  37         }
  38         memcpy(buf, input, len);
  39         buf[len] = 0;
  40         s = buf;
  41
  42         ldif = ldb_ldif_read_string(ldb, &s);
  43
  44         if(ldif != NULL) {
  45                 ldb_ldif_write_string(ldb, ldb, ldif);
  46                 ldb_ldif_write_redacted_trace_string(ldb, ldb, ldif);
  47         }
  48         TALLOC_FREE(ldb);
  49         return 0;
  50 }
  51
  52
  53 int LLVMFuzzerInitialize(int *argc, char ***argv)
  54 {
  55         return 0;
  56 }